08 09 answer keys technology

Answer Keys
finally returns through the atmosphere and
lands as a common aeroplane.

Unit 1 Module A
Activity 1:

Activity 3:

b, a, d, f, e, c (from left to right)

a. 7; b. 4; c. 2; d. 5; e. 1; f. 3; g. 6

Activity 2:

Activity 4:

a. F; b. F; c. T

a. magnetic levitation; b. electric cars; c. fuel cell,
carbon dioxide; d. rocket planes

a. Information Technology (IT); b. camcorder
(camera recorder); c. mainframe

Activity 4:
Suggested answers: digital appliances, digital
cameras, camcorders, TVs, minicomputers, PCs,
laptops, netbooks, palm-size scanners, mobile
phones, DVD players, digital music players,
mp3s, iPods.

Activity 5:
Suggested answers:
b. W
 ho can now develop a rocket plane?
c. What are the advantages of using electric cars?
d. Where is there a Maglev train?
e. When will people fly in rocket planes?
f. Why are fuel cell cars non pollutant?

Activity 6:
a. M
 aglev trains exist.
b. T
 here are electric cars in Japan, USA and
Europe.
c. Electric cars do not produce pollution.
d. People use the fuel cell cars.
e. The rocket plane does not function like an
aeroplane. It can land like common airplanes.
f. Rocket planes are not working yet.
g. We do not have the Maglev in Argentina.

Activity 5:
Students’ own answers

Activity 6:
Students’ own answers

Unit 1 Module B

Activity 1:
a. F ; b. F; c. F; d. T; e. T; f. T

Unit 2 Module A
Activity 1:

Activity 2:
a. N
 o, it isn’t. There are Maglev trains in only a
few places.
b. In Japan, USA and Europe.
c. Because they have zero emissions: they emit
no pollutants.
d. It is a car that converts gasoline into
hydrogen, carbon dioxide and water with a
transformer. Thus, it does not pollute.
e. It takes off as an ordinary plane, then
accelerates into orbit around the planet, and

a. T; b. F; c. T; d. T

Activity 2:
a. reusable; b. space; c. exploration;
d. arguments; e. expensive; f. stars;
g. transportation
reusable; transportation; stars; space; expensive;
arguments; explorations

English Toolkit 1 - Technology

Photocopiable © Ediciones Santillana S.A. / Richmond 2011

Activity 3:


Answer Keys
Activity 3:

Activity 3:

a. first; b. high; c. solutions; d. global;
e. manned; f. few

a. 2; b. 5; c. 3; d. 1; e. 4

Activity 4:
(from right to left)
Mercury, Venus, Earth, Mars, Jupiter, Saturn,
Uranus, Neptune, Pluto
a. planets, solar; b. Sun; c. Moon, satellite;
d. Earth; e. air

Activity 5:
Students’ own answers

a. vast; b. magnification; c. sensitive; d. allow;
e. gather

Activity 5:
Students’ own answers

The automatic calculator was invented in 1623
by Wilhelm Schickard; the pendulum clock was
invented in 1656 by Christian Huygens and the
steam engine was invented in 1698 by Thomas
Savery.

Unit 2 Module B

Unit 3 Module A

Activity 1:

Activity 1:

a. T
 he mountains and craters on the surface
of the Moon, the satellites of Jupiter and the
starry Milky Way.
b. T
 he word telescope is derived from the Greek
words tele, from afar, and skopos, viewer.
c. All telescopes gather radiation from distant
objects over a large area and focus on it; so
they increase the intensity of the radiation and
allow the objects to be magnified.
d. R
 efractors that use lenses, reflectors that
use mirrors and catadioptrics that use a
combination of both lenses and mirrors.
e. Orbiting telescopes are used for the study

of structures and systems too far to be seen
clearly from Earth.
f. Radio telescopes have helped vast new regions
of the universe to become observable on Earth
because radio waves penetrate dust and gas
that obscure light. These are the greatest and
most powerful telescopes.

a. R
 amjet Project consists in a spaceship which
obtains its fuel from its surrounding space.
b. P
 roject Dedalus was about launching a probe
propelled by means of internal thermonuclear
microexplosions.
c. A spaceship with an anti-matter engine could
go at light-speed propulsion.
d. A
 ccording to some researchers, solar wind
could be used to move a vehicle.

Activity 2:
a. light speed; b. space ship; c. anti-matter;
d. nuclear explosion; e. solar wind; f. sun light
a. light speed; b. nuclear explosion;
c. anti-matter; d. spaceship; e. solar wind;
f. sunlight

Activity 3:
Students’ own answers

Activity 2:
a. F; b. T; c. F; d. F; e. T; f. F; g. F; h. T

English Toolkit 1 - Technology

Photocopiable © Ediciones Santillana S.A. / Richmond 2011

Activity 4:


Answer Keys
Activity 4:

Activity 5:
Students’ own answers

Unit 3 Module B
Activity 1:
a. important, hopeful; b. Students’ own
answers; c. Students’ own answers

Activity 2:
Students’ own answers

Activity 3:
a. T; b. T; c. T; d. F; e. F

Activity 4:
a. 5; b. 6; c. 1; d. 2; e. 3; f. 4

Activity 5:

Activity 3:
Students’ own answers

Activity 4:
a. W
 here does energy occur?
b. W
 hat does electric power do?
c. What does ordinary electrical phenomenon
depend on?
d. W
 hat do electrical charges consist in?
e. How did electricity affect mankind?
f. How did mankind begin to understand
electricity?

Activity 5:
a. U
 n generador eléctrico es una fuente de
electricidad, especialmente una que transforma
la energía eléctrica o calórica en corriente
eléctrica.
b. U
 n foco es parte de una lámpara eléctrica.
c. Un capacitador es un condensador.
d. U
 n oscilóscopo es un tipo de oscilógrafo que

muestra visualmente una onda eléctrica en
una pantalla fluorescente.
e. El sistema eléctrico es una batería de células
electromecánicas para generar corriente
eléctrica.

a. probe; b. administer; c. give; d. no pain device

Unit 4 Module B

Activity 6:

Activity 1:

Students’ own answers

Students’ own answers

Activity 2:

Unit 4 Module A
Activity 1:
a. everywhere in nature; b. street lighting;
c. positive charges

Activity 2:
a. 3; b. 5; c. 6; d. 2; e. 4; f. 1

a. B
 ecause they have a greater understanding of

the structure of matter.
b. C
 omposite materials are complex combinations
of fibres (such as carbon or glass) which are
embedded in a matrix of plastic, ceramic or
metal.
c. They work through actuators and motors that
behave like muscles, sensors that serve as

English Toolkit 1 - Technology

Photocopiable © Ediciones Santillana S.A. / Richmond 2011

rockets: cohetes; launch: lanzar; vehicle: vehículo;
spaceship: nave especial; propulsion: propulsión;
solar system: sistema solar; galaxy: galaxia;
spacecraft: nave espacial; planetary:
planetaria / o; atmosphere: atmósfera


Answer Keys
nerves and memory and communications and
computational networks that represent the
brain and the spine.

Activity 3:
a. …
 because of their extraordinary strength and
lightness.
b. …

 engine efficiency and pollution reduction in
automobiles and trucks.
c. …ladders, buildings and bridges.
d. …alert you when they are overloaded.

Activity 4:
Students’ own answers
Photocopiable © Ediciones Santillana S.A. / Richmond 2011

Activity 5:
Students’ own answers

English Toolkit 1 - Technology